:root{font-family:Segoe UI,Arial,sans-serif;color:#13243a;background:#f1f5fa}*{box-sizing:border-box}body{margin:0}aside{position:fixed;left:0;top:0;bottom:0;width:230px;background:#071629;color:#fff;display:flex;flex-direction:column}.brand{padding:18px 13px;display:flex;gap:10px;align-items:center}.brand img{width:68px;height:48px;object-fit:contain;background:white;border-radius:7px}.brand b{font-size:16px}.brand small{display:block;color:#9bb4d1}nav{padding:15px 9px}nav a{display:block;color:#dce8fb;text-decoration:none;padding:13px;border-radius:8px}nav a:hover{background:#17395e}.foot{margin-top:auto;padding:13px;color:#8baccb}main{margin-left:230px;min-height:100vh}header{display:flex;justify-content:space-between;background:#fff;padding:24px 30px;border-bottom:1px solid #d9e2ee}header h1{font-size:22px;margin:0}section{padding:25px;max-width:1700px;margin:auto}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metrics>div,.panel{background:white;border:1px solid #d9e3ef;border-radius:12px;padding:20px;margin-bottom:18px;box-shadow:0 2px 10px #15284808}.metrics small{display:block;color:#768aa5}.metrics strong{font-size:26px;display:block;margin-top:10px}h2{margin:0 0 16px;font-size:21px}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}label{display:block;font-size:13px;font-weight:600;margin-bottom:12px}input,select,textarea{display:block;width:100%;padding:11px;border:1px solid #c9d6e6;border-radius:7px;font:inherit;margin-top:5px;background:white;color:#162b42}textarea{min-height:50px}input[type=checkbox]{width:auto;display:inline;vertical-align:middle}button,.btn{display:inline-block;padding:10px 15px;background:#1a70ca;color:white;border:0;border-radius:7px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none}button.secondary,.btn.secondary{background:#eaf0f6;color:#163454}.mini{display:inline-block;margin:3px}.mini button{font-size:12px;padding:7px}.tablewrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{padding:12px;border-bottom:1px solid #e3eaf2;text-align:left;vertical-align:middle}th{background:#f4f7fa}.thumb{width:90px;height:60px;object-fit:contain}.muted{color:#6a7f99}.notice{padding:12px;background:#dcf6ea;color:#1a6946;border-radius:8px}.error{padding:12px;background:#ffe0e6;color:#9a243e;border-radius:8px}.authbg{min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(#041224b3,#041224e8),url('login-bg.jpg') center/cover fixed}.authbox{width:min(460px,94vw);padding:28px 34px;background:#ffffffef;border-radius:18px;box-shadow:0 20px 65px #0005}.authbox img{width:100%;max-height:160px;object-fit:contain}.authbox h1{margin:18px 0 0}.authbox button{width:100%}@media(max-width:900px){aside{position:static;width:100%;height:auto}nav{display:flex;flex-wrap:wrap}main{margin-left:0}.metrics{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.fields,.metrics{grid-template-columns:1fr}section{padding:12px}}